Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Amendment No.1 to Registration Statement No. 333-223731 on Form S-3 of our report dated February 28, 2018, relating to the consolidated financial statements of Evofem Biosciences, Inc. and subsidiaries (the “Company”) (which report expresses an unqualified opinion and includes an explanatory paragraph relating to the Company’s ability to continue as a going concern) appearing in the Current Report onForm 8-K/A of the Company dated March 1, 2018, and to the reference to us under the heading “Experts” in the prospectus, which is part of this Registration Statement.
/s/ DELOITTE & TOUCHE LLP
San Diego, California
March 27, 2018
